Pacifier



FIG. 1 is a top plan view of a pacifier showing my new design;

FIG. 2 is a front elevational view thereof; the rear being the same;

FIG. 3 is a side elevational view thereof; the other side being the same; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a pacifier, substantially as shown and described. 